Licallo/Troubleshooting.md

@@ -51,4 +51,5 @@ In your script, before launching your code, unset **I_MPI_PMI_LIBRARY**:
 unset I_MPI_PMI_LIBRARY
 # Run the code, could use mpiexec                                                                                                                                                                  
 mpirun -n $SLURM_NTASKS ./dice
-```
\ No newline at end of file
+```
+## X11 Forwarding